[feat] add 2 new features

- add tunnel section creation and re-organise rail creation menu.
- allow duplicated elements (Nong xxx) creation for some special, such as Fan and Extra Point.

ballance_blender_plugin/OBJS_add_components.py

@@ -15,14 +15,27 @@ class BALLANCE_OT_add_components(bpy.types.Operator):
         items=tuple(map(lambda x: (x, x, ""), UTILS_constants.bmfile_componentList)),
     )
 
-    attentionElements = ["PC_TwoFlames", "PR_Resetpoint"]
-    uniqueElements = ["PS_FourFlames", "PE_Balloon"]
+    attentionElements = ("PC_TwoFlames", "PR_Resetpoint")
+    uniqueElements = ("PS_FourFlames", "PE_Balloon")
+    canDuplicatedElements = ('P_Extra_Point', 'P_Modul_18', 'P_Modul_26')
 
     elements_sector: bpy.props.IntProperty(
         name="Sector",
         description="Define which sector the object will be grouped in",
-        min=1,
-        max=8,
+        min=1, max=8,
+        default=1,
+    )
+
+    elements_duplicated: bpy.props.BoolProperty(
+        name="Duplicated",
+        description="Whether duplicate elements (Nong xxx / 脓xxx)",
+        default=False,
+    )
+    elements_dup_times: bpy.props.IntProperty(
+        name="Duplication Times",
+        description="How many this element should be duplicated.",
+        min=1, max=64,
+        soft_min=1, soft_max=32,
         default=1,
     )
 
@@ -41,6 +54,13 @@ class BALLANCE_OT_add_components(bpy.types.Operator):
         obj = bpy.data.objects.new(finalObjectName, loadedMesh)
         UTILS_functions.add_into_scene_and_move_to_cursor(obj)
 
+        # extra duplication
+        if self.elements_type in self.canDuplicatedElements:
+            for i in range(self.elements_dup_times - 1):
+                obj = bpy.data.objects.new(finalObjectName, loadedMesh)
+                UTILS_functions.add_into_scene_and_move_to_cursor(obj)
+
+
         return {'FINISHED'}
 
     def invoke(self, context, event):
@@ -49,8 +69,18 @@ class BALLANCE_OT_add_components(bpy.types.Operator):
 
     def draw(self, context):
         layout = self.layout
+        # attension notice
+        if self.elements_type in self.attentionElements:
+            layout.label(text="Please note that sector is suffix.")
+        if self.elements_type in self.canDuplicatedElements:
+            layout.label(text="This element can use duplication feature.")
+
+        # cfg
         layout.prop(self, "elements_type")
         if self.elements_type not in self.uniqueElements:
             layout.prop(self, "elements_sector")
-        if self.elements_type in self.attentionElements:
-            layout.label(text="Please note that sector is suffix.")
+
+        if self.elements_type in self.canDuplicatedElements:
+            layout.separator()
+            layout.prop(self, "elements_duplicated")
+            layout.prop(self, "elements_dup_times")